#042B2B#042B2B

#042B2B is a dark, muted teal. Relative luminance 0.019; OKLCH L 26.3% C 0.042 H 194.9°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#042B2B
RGB	rgb(4, 43, 43)
HSL	hsl(180, 83%, 9%)
HSV	hsv(180, 91%, 17%)
CMYK	cmyk(90.7%, 0%, 0%, 83.1%)
CIE-LAB	lab(15.10, -12.99, -3.86)
CIE-LCH	lch(15.10, 13.55, 196.56°)
OKLab	oklab(26.33% -0.0403 -0.0107)
OKLCH	oklch(26.33% 0.042 194.9)
XYZ	xyz(1.3498, 1.9278, 2.5860)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042B2B #2B0404

analogous

#042B18 #042B2B #04182B

triadic

#042B2B #2B042B #2B2B04

tetradic

#042B2B #18042B #2B0404 #182B04

square

#042B2B #18042B #2B0404 #182B04

split-complementary

#042B2B #2B0418 #2B1804

monochromatic

#031C1C #031C1C #042B2B #096363 #0E9B9B

Accessibility & contrast

On white

15.16

#042B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#042B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042B2B

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042B2B	#FFFFFF	#000000	##FFFFFF
##042B2B	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27282B

Deuteranopia (green-blind)

#22242B

Tritanopia (blue-blind)

#002D2B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #042b2b;
/* rgb */ color: rgb(4, 43, 43);
/* oklch */ color: oklch(26.3% 0.042 194.9);

Tailwind

colors: {
  custom: {
    50: '#4c6464',
    500: '#042b2b',
    950: '#000000',
  },
}

SCSS

$custom: #042b2b;
$custom-light: #4c6464;
$custom-dark: #000000;

JSON

{
  "hex": "#042b2b",
  "rgb": {
    "r": 4,
    "g": 43,
    "b": 43
  },
  "hsl": {
    "h": 180,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.26327,
    "c": 0.04175,
    "h": 194.9
  },
  "luminance": 0.01928
}

Semantic roles & 50–950 ramp

primary

#042B2B

secondary

#6E1D1D

accent

#2E2EF9

background

#F4F6F5

surface

#E7EBEA

border

#C3C6C6

text

#010505

muted

#777A79

Preview Lab

Preview with #042B2B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →